FAIRMol

KB_Leish_47

Pose ID 6166 Compound 2100 Pose 70

DB SELECTIONDocking pose analysis is being read from this database.
Molecular metrics status: done
RDKit SASA-based burial metrics are cached.
SASA cached
T10
L. infantum R5P L. infantum
Ligand KB_Leish_47

3D complex viewer

Strict H-bonds Permissive H-bonds
Viewer legend
Protein receptor
Pocket residues
Cofactor context
Docked ligand
Overall assessment
Weak SASA cached
Weak or marginal quality
Binding strong Geometry medium Native strong SASA done
Strain ΔE
11.3 kcal/mol
Protein clashes
3
Internal clashes
3
Native overlap
contact recall 0.76, Jaccard 0.65, H-bond role recall 0.45
Burial
80%
Hydrophobic fit
81%
Reason: no major geometry red flags detected
3 protein-contact clashes 3 intramolecular clashes 53% of hydrophobic surface appears solvent-exposed (9/17 atoms). Partial exposure is common but may limit selectivity and membrane permeability.
Molecular report
Full metrics ↗
Weak Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-1.229 kcal/mol/HA) ✓ Good fit quality (FQ -11.02) ✓ Strong H-bond network (12 bonds) ✓ Deep burial (80% SASA buried) ✓ Lipophilic contacts well-matched (81%) ✗ Moderate strain (11.3 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (10)
Score
-29.501
kcal/mol
LE
-1.229
kcal/mol/HA
Fit Quality
-11.02
FQ (Leeson)
HAC
24
heavy atoms
MW
338
Da
LogP
3.36
cLogP
Strain ΔE
11.3 kcal/mol
SASA buried
80%
Lipo contact
81% BSA apolar/total
SASA unbound
574 Ų
Apolar buried
372 Ų

Interaction summary

HB 12 HY 4 PI 2 CLASH 3 ⚠ Exposure 52%
⚠️Partial hydrophobic solvent exposure
53% of hydrophobic surface appears solvent-exposed (9/17 atoms). Partial exposure is common but may limit selectivity and membrane permeability.
Non-polar atoms 17 Buried (contacted) 8 Exposed 9 LogP 3.36 H-bonds 12
Exposed fragments: phenyl (2/5 atoms exposed)phenyl (6/6 atoms exposed)aliphatic chain/group (1 atom exposed)
Final rank2.704Score-29.501
Inter norm-1.089Intra norm-0.140
Top1000noExcludedno
Contacts16H-bonds12
Artifact reasongeometry warning; 10 clashes; 1 protein clash
Residues
ALA15 ARG116 ARG140 ARG144 ASN106 ASP13 ASP44 CYS72 GLY73 HIS105 HIS14 HIS141 SER46 THR45 THR74 TYR49

Protein summary

155 residues
Protein targetT10Atoms4590
Residues155Chains1
Residue summaryILE:494; ARG:384; ALA:360; VAL:352; LEU:304; GLU:300; THR:280; MET:272; LYS:220; ASP:216; TYR:210; HIS:204; GLY:182; SER:176; GLN:170; ASN:140

Native ligand reference

★ reference
Interaction fingerprint calculated directly from the uploaded native ligand without docking. Current H-bond mode: strict.
Name6FXWContacts17
PoseOpen native poseHB0
IFP residues
ALA15 ARG116 ARG140 ARG144 ASN106 ASP13 CYS72 GLY73 GLY75 GLY77 HIS105 HIS14 HIS141 ILE76 LEU101 THR74 TYR49
Current overlap13Native recall0.76
Jaccard0.65RMSD-
HB strict7Strict recall0.54
HB same residue+role5HB role recall0.45
HB same residue5HB residue recall0.45

HB · H-bonds

Mode: strict. Count shows atom-level H-bonds; unique residues in summary: 0.

PI · π–π interactions

Native π–π recall is disabled because no explicit native π–π reference was stored.

HY · Hydrophobic contacts

CLASH · Clashes

All stored poses for this docking hit

PoseFinal rankInter normScoreHBCTCT overlapCT recallHB role rec.RMSDExcluded
114 1.5860172937477603 -1.21455 -24.4039 5 15 0 0.00 0.00 - no Open
97 1.8505603394551924 -1.16929 -25.4341 9 11 0 0.00 0.00 - no Open
93 2.19739498584036 -1.11561 -31.8453 8 15 5 0.29 0.18 - no Open
70 2.7036207493563826 -1.08888 -29.501 12 16 13 0.76 0.45 - no Current
157 3.4093172975048245 -0.908923 -21.6596 4 11 0 0.00 0.00 - no Open
118 3.6102345461159344 -1.03637 -23.389 4 15 0 0.00 0.00 - no Open

Molecular metrics

RDKit SASA burial, strain energy (MMFF94s), ligand efficiency and fit quality for this docking pose.
✓ Metrics available

Scoring & efficiency

Docking score -29.501kcal/mol
Ligand efficiency (LE) -1.2292kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -11.016
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 24HA

Physicochemical properties

Molecular weight 337.8Da
Lipinski: ≤ 500 Da
LogP (cLogP) 3.36
Lipinski: ≤ 5
Rotatable bonds 3

Conformational strain (MMFF94s)

Strain energy (ΔE) 11.29kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 95.49kcal/mol
Minimised FF energy 84.20kcal/mol

SASA & burial

✓ computed
SASA (unbound) 573.7Ų
Total solvent-accessible surface area of free ligand
BSA total 457.9Ų
Buried surface area upon binding
BSA apolar 372.4Ų
Hydrophobic contacts buried
BSA polar 85.4Ų
Polar contacts buried
Fraction buried 79.8%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 81.3%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -2216.3Ų
SASA_nonpolar(complex) − SASA_nonpolar(receptor) − SASA_nonpolar(ligand free). Negative = non-polar surface buried upon binding. Requires full polarity-decomposed SASA computation.
Receptor non-polar SASA 2417.4Ų
Non-polar SASA of receptor alone (VdW proxy, nonpolar atoms only)
Complex non-polar SASA 688.6Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)